moyno 500 Service Manual
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moyno 500 Service Manual

300 series
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moyno 500 Service Manual

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  • Page 2: Installation

    Section: ® MOYNO 500 PUMPS Page: 1 of 8 Date: March 1, 1998 SERVICE MANUAL ® MOYNO 500 PUMPS 300 SERIES 331, 332, 333, 344, 356 AND 367 MODELS Packing Gland Models Mechanical Seal Models MODELS 33101 34401 33104 34404...

  • Page 3: Operation

    Page 2 Clean water can be injected through a 1/8” NPT tapped Threads in rotor or on shaft stripped: Replace part. Check hole that normally houses the grease fitting for lubricating the for proper rotation. packing. The water can be permitted to leak axially along the .

  • Page 4: Pump Disassembly

    Page 3 Packing Adjustment (Packing Models Only). Note: Packing can be removed after shaft has been re- Packing gland attaching nuts should be evenly adjusted so moved by pushing out from pump side of pump body they are little more than finger tight. Over-tightening of the after gland (41) has been detached.
  • Page 5 Page 4 Install packing (42) before installing shaft assembly using the following procedure: Lubricate each individual ring of packing with a grease that is insoluble in the fluid being pumped. Individually assemble each ring of packing loosely in the packing chamber of the pump body (1). Stagger splits on rings.
  • Page 6 Page 5...
  • Page 7 Page 6 PARTS LIST — 331, 332, 333, AND 344 MODELS Item Description Mechanical Seal Models Packing Gland Models 33101 33104 33108 33201 33204 33208 33301 33304 33308 34401 34404 34408 34411 Pump Body 330-1065-002 330-1910-002 340-1000-001 Discharge Housing 340-2362-000 Bearing Housing 330-4587-000 Pump Base...
  • Page 8 Page 7 PARTS LIST — 356 AND 367 MODELS Mechanical SeaI Models Packing Gland Models Mechanical Seal Model Item Description 35604 35601 35611 35613 36701 36704 Cast Iron 316SS Cast Iron 316SS Cast Iron 316SS Pump Body 340-0636-000 340-1550-000 350-0420-000 350-0491-000 350-0423-000 350-0423-007...
  • Page 9 Elastomer 331-344 36701 3206460000 3206505000 3206511000 EPDM 3206502000 3206506000 3206512000 3206503000 3206507000 3206513000 NBR = Nitrile EPDM = Ethylene-Propylene-Diene Terpolymer FPM = Fluoroelastomer © 1999 by Moyno, Inc. Printed in U.S.A. ® Moyno is a registered trademark of Moyno, Inc.

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